Serra da Arrabida, level 9a.: Barremian, Portugal

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Lituolida - Lituolidae
Ammobaculites sp. Cushman 1910
Textulariidae indet. Ehrenberg 1838
Cyclamminidae
Choffatella decipiens Schlumberger 1905
Trocholinidae
Trocholina sp. Paalzow 1922
Gastropoda - Naticidae
Naticidae indet. Guilding 1834
Bivalvia - Ostreida - Gryphaeidae
Exogyra tuberculifera Koch and Dunker 1837
recombined as Ceratostreon tuberculiferum
Bivalvia - Ostreida - Ostreidae
Ostrea pes-elephanti
Bivalvia - Pholadomyida - Pholadomyidae
Pholadomya sp. Sowerby 1823
Ostracoda - Platycopida - Cytherellidae
Cytherella sp. Jones 1849
Ostracoda - Podocopida - Cytherideidae
Schuleridea sp. Swartz and Swain 1946
Ostracoda - Podocopida - Trachyleberididae
Cythereis sp. Jones 1849
Ostracoda - Podocopida - Brachycytheridae
Macrodentina sp. n. sp.
Echinoidea
cf. Trochotiara bourgueti
see common names

Geography
Country:Portugal
Coordinates: 38.4° North, 9.2° West (view map)
Paleocoordinates:31.7° North, 1.4° East
Basis of coordinate:based on nearby landmark
Geographic resolution:hand sample
Time
Period:Cretaceous Epoch:Early/Lower Cretaceous
Stage:Barremian 10 m.y. bin:Cretaceous 2
Key time interval:Barremian
Age range of interval:129.40000 - 125.00000 m.y. ago
Stratigraphy
Formation:Calcaires et marnes à Choffatelles
Local section:Serra da Arrabida Local bed:9a
Local order:bottom to top
Stratigraphic resolution:group of beds
Stratigraphy comments: 10m
Lithology and environment
Primary lithology:deformed bedding,yellow,blue lithified sandy grainstone
Secondary lithology: poorly lithified marl
Includes fossils?Y
Includes fossils?Y
Environment:coastal indet.
Taphonomy
Modes of preservation:body
Collection methods and comments
Collection excludes:difficult macrofossils
Collection methods:bulk,surface (in situ),field collection
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:73347
Authorizer:L. Villier Enterer:L. Villier
Research group:marine invertebrate
Created:2007-06-12 23:45:53 Last modified:2007-06-13 02:45:53
Access level:the public Released:2007-06-12 23:45:53
Creative Commons license:CC BY
Reference information

Primary reference:

18719. J. Rey. 1972. Recherches géologiques sur le Crétacé inférieur de l'Estremadura (Portugal). Serviços Geologicos de Portugal 21:1-477 [L. Villier/L. Villier]